It proves that this prediction model is effective by machining experiments. Using prediction model can predict and control surface roughness under certain condition.

经加工试验证明了该表面粗糙度预测模型的有效性，从而实现加工前在确定切削条件下预测和控制表面粗糙度的目的。

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Since the machining errors mainly caused by deformation of cutter and workpiece, we mainly deal with the machining simulation and errors prediction under the influence of cutting force.

加工误差的产生很大程度上来自于加工变形，本文主要研究切削力因素影响下的面向误差预报的加工物理仿真。

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Variation prediction of algae quantity under different phosphorus load.

预测湖泊在不同磷负荷下藻类生物量的变化。

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But the council is expected to make their objections redundant by cancelling its eighth prediction programme, which would otherwise be due to get under way in 1999.

ECONOMIST: Nature rarely repeats itself | The

"Any Chief Financial Officer of a publicly listed company who missed key revenue prediction on a major measure by 91.4% would be under serious pressure to quit, " he added.

BBC: Australia collects $130m revenue from mining tax